TDC-GP22 超声波水表和热表应用指南.pdf

ltrasonic low onverters 应用指南 时间数字转换器TDC-GP22 的超声波水表和 热表应用 2013 年 7 月 10 日, 版本号 1.2 Document No.: AN032_cn.pdf ltrasonic- low- onverter AN032 Published by acam- messelectronic gmbh ©acam- messelectronic gmbh 2013 Disclaimer / Notes “Preliminary” product information describes a product which is not in full production so that full information about the product is not available yet. Therefore, acam- messelectronic gmbh (“acam”) reserves the right to modify this product without notice. The information provided by this data sheet is believed to be accurate and reliable. However, no responsibility is assumed by acam for its use, nor for any infringe ments of patents or other rights of third parties that may result from its use. The information is subject to change without notice and is provided “as is” without warranty of any kind (expressed or implied). acam is a registered trademark of acam. All other brand and product names in this document are trademarks or service marks of their respective owners. Support / Contact For a complete listing of Direct Sales, Distributor and Sales Representative contacts, visit the acam web site at: http://www.acam.de/sales/distributors/ For technical support you can contact the acam support team in the headquarters in Germany or the Distributor in your country. The contact details of acam in Germa ny are: support@acam.de or by phone +49- 7244- 74190. acam-messelectronic gmbh - Friedrich-List-Str.4 - 76297 Stutensee-Blankenloch - Germany - www.acam.de AN032 内容 1 概述 Fehler! Textmarke nicht definiert. 2 简介 Fehler! Textmarke nicht definiert. 2.1 流量测量 Fehler! Textmarke nicht definiert. 2.2 温度差测量 2-3 3 电路描述 Fehler! Textmarke nicht definiert. 3.1 电源的注意事项 Fehler! Textmarke nicht definiert. 3.2 外部时钟